Fig. 3.

Structural equation model: effect of autonomy support and basic psychological needs satisfaction for condom use on CAI (N = 226). Note: BNS Condom Use—basic psychological needs satisfaction needs  for condom use. CAI—condomless anal intercourse. Condom use autonomous self-regulation was measured at every study visit, including the baseline visit. Autonomy support and perceived competence for condom use were measured at every study visit starting with week 4. CAI was measured at week 52. Standardized betas are reported.